{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "5404bd0596611c64cb467e88955e43e7020c11cdc0c681bca68b7c6ad8f2870c",
  "signature": "6P+LOO84kKI4wd9CtRNE7DuGSwvj5wIWGIYJi1aHBgwxeuRMahp6j1wAnewb2Gh+rkaVOtKzw9yN5/sBdFkgCg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-10-08T16:25:44.395Z",
  "slug": "git-workflow-mastery",
  "version": "1.0.0",
  "filename": "git-workflow-mastery-agent-plugin.zip",
  "bytes": 3480,
  "content_digest": "2000be6c3c89c9a90dc7e1dbec09a96757848a453464a54c49ba147efe093e67",
  "content_signature": "yLL7tHgRHo0ltltNoAjZNp9NhGZF+F9uLJJ914zti5R+7FgeHJQSNQyFOWSkqNWF3LzRxXfMxc7Z2BNswzLcDw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "5859bf952e409076e77ec23eb4cddee7c0ea994621097971a49b0c245d0ebcda"
    },
    {
      "path": "skills/git-workflow-mastery/SKILL.md",
      "sha256": "721bb364644e8d304837e6e7c60b3a8a7b48ece08a5b6bdac8cea4ae9a3acd55"
    }
  ],
  "verify": {
    "public_key_url": "https://superagentskill.com/api/public/signing-key.pem",
    "instructions": "sha256 the downloaded .zip, compare with `sha256`, then verify the base64 `signature` as an Ed25519 signature over the ascii sha256 hex string using the public key. An extracted or repacked copy can still be verified via `content_digest` / `content_signature`. Helper: node scripts/verify-package-signature.mjs <file.zip> <signature.json> [public-key.pem]"
  }
}